Origin of GLIRIDAE. New Latin, from Glir-, Glis, type genus + -idae. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.Note that some information is displayed differently in the Unabridged.rigin of GLIRIDAE. New Latin, from Glir-, Glis, type genus + -idae. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.
knockout mouse(Noun) Any of several forms of mice that have been genetically engineered by inactivating specific genes. Knockout mouse. A knockout mouse is a genetically engineered mouse in which researchers have inactivated, or knocked out, an existing gene by replacing it or disrupting it with an artificial piece of DNA.
Here, the transgenic embryonic stem cells integrate with the hostâs embryonic stem cells. The embryo is placed into the uterus of a pregnant mouse, where it develops into a chimeric mouse. The chimeric mouse is then crossed with a wild-type mouse.If the donor stem cells have contributed to the germ line, some of the progeny will be heterozygous for the added allele.ere, the transgenic embryonic stem cells integrate with the hostâs embryonic stem cells. The embryo is placed into the uterus of a pregnant mouse, where it develops into a chimeric mouse. The chimeric mouse is then crossed with a wild-type mouse.